Omar Fraile Matarranza is a Spanish racing cyclist, who currently rides for UCI WorldTeam Ineos Grenadiers. He is a winner of stages in the Tour de France and the Giro d'Italia, and has twice won the Mountains classification in the Vuelta a España.

The mountains classification in the Vuelta a España is a secondary classification in the Vuelta a España. For this classification, points are given to the cyclists who cross the mountain peaks first. The classification was established in 1935, when it was won by Italian Edoardo Molinar, and until 2005 the leader in the mountain classification wore a green jersey. In 2006, it became an orange jersey, and in 2010 it became white with blue dots.